Exhaust pipe punching fixing device with protection effect
By designing an adjustable clamping part and a rotating protective net structure for fixing the exhaust pipe, the problems of insufficient protection and adaptability of existing devices are solved, achieving stable clamping and protection effects, and improving the safety and convenience of the punching process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-17
- Publication Date
- 2026-03-31
AI Technical Summary
Existing exhaust pipe punching and fixing devices lack protective functions, are not flexible enough, and are difficult to adapt to the fixing needs of different types of exhaust pipes. Furthermore, they are prone to causing debris to fly out during the punching process.
A fixing device including an end clamping seat, a tail clamping frame, a side baffle and a front baffle is designed. Through the adjustable clamping part and the rotating protective net structure, the exhaust pipe is stably clamped and protected to prevent debris from splashing.
It achieves flexible fixing and effective protection of the exhaust pipe, avoids the splashing of debris during the punching process, and improves processing accuracy and ease of operation.
Smart Images
Figure CN224058505U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to exhaust pipe punching fixing technical field especially, it relates to a kind of fixing device with protective effect of exhaust pipe punching. BACKGROUND
[0002] Automobile exhaust pipe is the key component of engine exhaust system, tail gas purification, noise reduction and emission control in one. Its core structure includes three-way catalyst, particle trap and muffler, exhaust pipe adopts stainless steel or titanium alloy material, reduce back pressure by optimizing pipeline curvature, and design drainage hole anticorrosion, modern vehicle also integrates temperature sensor and oxygen sensor, real-time monitoring emission and adjusting air-fuel ratio, its performance directly influences power output, fuel economy and environmental compliance, is the core component of automobile technology, environmental protection and performance.
[0003] In the processing of automobile exhaust pipe, punching process is needed to process drainage hole, mounting hole and other holes, in order to maintain the stability of punching, the exhaust pipe needs to be reinforced by fixing device to prevent the exhaust pipe from deviating during punching and affecting the machining precision, however, the fixing device used in the existing exhaust pipe punching is mostly simply clamped by clamping structure at each end of the exhaust pipe, without protective function, and the protective function is mostly realized by additional protective net, which is inconvenient to use, and different types of exhaust pipes need to switch the fixing point due to different sizes, the existing fixing device structure is not flexible enough, and it is difficult to meet the demand of adaptive adjustment, therefore, the present application is proposed. UTILITY MODEL CONTENT
[0004] In order to overcome the technical defects of the prior art, the utility model provides a kind of fixing device with protective effect of exhaust pipe punching, with the technical effects of flexible structure, good protective effect and strong adaptability.
[0005] The technical solution adopted by the utility model is: including end clamping seat and the lock catch for being arranged at the top of the end clamping seat and used for the end of the exhaust pipe to be processed is pressed tightly fixed, the tail clamping frame is installed on the end clamping seat by connecting support, the clamping part of the tail clamping frame is arranged on the tail clamping frame, and the clamping position can be adjusted according to the model of the exhaust pipe to be processed, for fixing the tail of the exhaust pipe to be processed, the side blocking net is rotatably arranged on the connecting support, the front blocking net can be inclined on the top of the side blocking net, the side blocking net and the front blocking net are rotatable structure, the side blocking net and the front blocking net are turned to vertical state during punching process, the front blocking net can also be inclined and adsorbed on the side blocking plate, so as to form a protection area, so that the debris generated during punching will not splash to the front and both sides.
[0006] Preferably, the clamping part is composed of two outer push and press clamping parts slidingly installed at both ends of the tail clamping frame and an inner push and press clamping part capable of synchronously pushing and applying pressure to both sides.
[0007] Preferably, the tail clamping frame is provided with a first sliding groove for slidingly connecting the inner push and press clamping part and a second sliding groove for slidingly connecting the outer push and press clamping part, the first sliding groove is located in the inner wall of the bottom of the tail clamping frame, and the second sliding groove is located in the inner wall of the side of the tail clamping frame, so that the sliding structures of the inner push and press clamping part and the outer push and press clamping part have a staggered relationship, and the bidirectional screw rod of the outer push and press clamping part does not affect the movement of the threaded rod of the inner push and press clamping part.
[0008] Preferably, the outer push and press clamping part comprises a bidirectional screw rod rotatingly installed in the second sliding groove and two sliding blocks slidingly installed in the second sliding groove, the two sliding blocks are respectively connected with two opposite threads of the bidirectional screw rod, the side wall of the sliding block is fixed with an outer push plate, and the side wall of the outer push plate is fixed with at least two outer push clamping rods.
[0009] Preferably, the tail clamping frame is embeddedly installed with a driving motor, the output shaft of the driving motor is fixedly connected with the end of the bidirectional screw rod, and the driving motor is used as a driving source to realize driving adjustment of the bidirectional screw rod.
[0010] Preferably, the inner push and press clamping part comprises a threaded rod penetratingly arranged on the tail clamping frame through threads and an inner push plate rotatingly arranged at one end of the threaded rod, the bottom of the inner push plate is slidingly installed on the first sliding groove through a sliding block, at least two inner push clamping rods are arranged on the side of the inner push plate facing the outer push plate, the rotation of the threaded rod controls the movement of the inner push plate in the tail clamping frame, and the sliding block is limited by the first sliding groove to improve the structural stability.
[0011] Preferably, one end of the threaded rod located outside the tail clamping frame is fixedly provided with a hand wheel, the rotation of the threaded rod is controlled through the hand wheel, and the operation is simple and convenient.
[0012] Preferably, the connecting support is provided with an inner baffle for preventing the side blocking net from being excessively inclined, so that the side blocking net cannot be rotated to the inner side of the device, and the protection effect is ensured.
[0013] Preferably, one side of the top of the side blocking net is provided as an inclined surface, and the inclined surface is provided with a magnetic sheet for adsorbing the front blocking net, so that the front blocking net can be adsorbed and fixed by the side blocking net, forming a more stable connection structure.
[0014] The utility model discloses beneficial effect is: the utility model discloses on the basis of realizing the clamping and fixing of exhaust pipe, add rotatable two groups of protective nets, be respectively two groups of side fender net and front fender net in both sides, can when using side fender net and front fender net turn to vertical state, front fender net can also be inclined and adsorbed on the side baffle, thereby form the protection area, make the debris of the generation when punching will not splash to the front and both sides, but punch, then can side fender net and front fender net rotate to horizontal state, do not influence the feeding of exhaust pipe, structural flexibility, convenient to use.
[0015] The utility model discloses through the extrusion of outer push and the inside push and hold department constitutes the clamping position adjustable clamping department according to the exhaust pipe model of processing, wherein the both end position of outer push and hold department can synchronous movement, and it is convenient to adjust according to the tail part spacing of exhaust pipe, then through the extrusion of outer push and the inside push and hold department can realize the clamping and fixing of exhaust pipe tail part, structural flexibility, strong adaptability, practical value is high. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is structural schematic diagram under the state of clamping exhaust pipe of the utility model;
[0017] Figure 2 It is structural schematic diagram under the state of clamping exhaust pipe of the utility model rear side angle;
[0018] Figure 3 It is overall structure schematic diagram of the utility model;
[0019] Figure 4 It is position schematic diagram of tail part clamping frame, outer push and hold department and the inside push and hold department in the utility model;
[0020] Figure 5 It is structural schematic diagram of outer push and hold department and the inside push and hold department in the utility model.
[0021] Mark explanation in drawing: 1, end part clamping seat, 2, tail part clamping frame, 201, first sliding slot, 202, second sliding slot, 3, connecting support, 4, clamping department, 5, side fender net, 6, front fender net, 7, exhaust pipe of processing, 8, outer push and hold department, 801, bidirectional screw rod, 802, sliding block, 803, outer push plate, 804, outer push and hold lever, 805, drive motor, 9, inside push and hold department, 901, inner push plate, 902, threaded rod, 903, hand wheel, 904, inside push and hold lever, 10, lock catch, 11, inner fender. DETAILED DESCRIPTION
[0022] The utility model will be further described in connection with the drawings:
[0023] For example, Figures 1-5As shown, the embodiment provides a fixing device for exhaust pipe punching with protection effect, which comprises an end clamping seat 1, a lock buckle 10 arranged on the top of the end clamping seat 1 for pressing and fixing the end of the exhaust pipe 7 to be processed, a tail clamping frame 2 mounted on the end clamping seat 1 through a connecting bracket 3, and a clamping part 4 arranged on the tail clamping frame 2 and capable of adjusting the clamping position according to the model of the exhaust pipe 7 to be processed for fixing the tail of the exhaust pipe 7 to be processed. In actual use, first, the lock buckle 10 is opened, then the end of the exhaust pipe 7 to be processed is placed on the end clamping seat 1, and then the clamping position of the clamping part 4 is adjusted so that the two tails of the exhaust pipe 7 to be processed are fixed by the clamping part 4. After the position is determined, the lock buckle 10 is buckled to complete the fixing of the three ends of the exhaust pipe 7 to be processed. The connecting bracket 3 is rotatably provided with a side blocking net 5, and the top of the tail clamping frame 2 is rotatably provided with a front blocking net 6 which can be inclined on the top of the side blocking net 5. The side blocking net 5 and the front blocking net 6 are rotatable structures. During the punching process, the side blocking net 5 and the front blocking net 6 are turned to the vertical state, and the front blocking net 6 can also be inclined and adsorbed on the side blocking plate, so as to form a protection area, so that the debris generated during punching will not splash to the front and both sides, and when not punching, the side blocking net 5 and the front blocking net 6 can be rotated to the horizontal state, without affecting the feeding and discharging of the exhaust pipe. The structure is flexible, without the need for additional protection net for protection, and the practicability is stronger.
[0024] The connecting bracket 3 is provided with an inner blocking plate 11 for preventing the side blocking net 5 from being excessively inclined, so that the side blocking net 5 cannot be turned to the inner side of the device, ensuring the protection effect. One side of the top of the side blocking net 5 is provided with an inclined surface, and the inclined surface is provided with a magnetic sheet for adsorbing the front blocking net 6, so that the front blocking net 6 can be adsorbed and fixed by the side blocking net 5, forming a more firm connection structure. At the same time, since it is not a completely fixed structure, the side blocking net 5 and the front blocking net 6 can also be separated when subjected to strong impact, having a certain buffering effect, without causing the debris to rebound, and the protection effect is better.
[0025] As shown in the specific embodiment, Figure 4 The clamping part 4 is composed of two outer push pressure holding parts 8 slidably mounted at both ends of the tail clamping frame 2 and an inner push pressure holding part 9 capable of synchronously pushing and applying pressure to both sides. The two tail ends of the exhaust pipe 7 to be processed are clamped between the outer push pressure holding parts 8 and the inner push pressure holding part 9 on both sides. The two ends of the outer push pressure holding part 8 move synchronously, and the inner push pressure holding part 9 moves from the outside to the inside of the outer push pressure holding part 8. In the use process, first, the position of the outer push pressure holding part 8 is adjusted according to the position of the tail end of the exhaust pipe, so that the two tail ends of the exhaust pipe can be located between the outer push pressure holding part 8 and the inner push pressure holding part 9. Then, the outer push pressure holding part 8 is adjusted to move outward, and the inner push pressure holding part 9 is adjusted to move inward, so as to clamp and fix the tail end of the exhaust pipe.
[0026] As shown in the specific embodiment, Figure 4As shown, the tail clamping frame 2 is provided with a first sliding groove 201 for slidingly connecting the inner push holding part 9 and a second sliding groove 202 for slidingly connecting the outer push holding part 8, the first sliding groove 201 is located on the inner wall of the bottom of the tail clamping frame 2, and the second sliding groove 202 is located on the inner wall of the side of the tail clamping frame 2, so that the inner push holding part 9 and the outer push holding part 8 have a staggered relationship, and the bidirectional screw rod 801 of the outer push holding part 8 does not affect the movement of the threaded rod 902 of the inner push holding part 9.
[0027] As shown in the specific embodiment, Figure 5 As shown, the outer push holding part 8 comprises a bidirectional screw rod 801 rotatably installed in the second sliding groove 202 and two sliding blocks 802 slidingly installed in the second sliding groove 202, the two sliding blocks 802 are connected with two opposite threads of the bidirectional screw rod 801 respectively, the side wall of the sliding block 802 is fixed with an outer push plate 803, the side wall of the outer push plate 803 is fixed with at least two outer push clamping rods 804, the sliding block 802 is limited by the second sliding groove 202 and cannot rotate, so that the two sliding blocks 802 can be pushed away or close to each other synchronously during the rotation of the bidirectional screw rod 801, so as to realize the synchronous adjustment of the two outer push plates 803, and then the outer push clamping rods 804 carry out the pushing force from inside to outside on the exhaust pipe 7 to be processed, and the at least two outer push clamping rods 804 simultaneously exert the force, which can realize multi-angle pressing and improve the clamping stability, the tail clamping frame 2 is embeddedly installed with a driving motor 805, the output shaft of the driving motor 805 is fixedly connected with the end of the bidirectional screw rod 801, the driving motor 805 is used as a driving source, the outer wall of the tail clamping frame 2 is provided with a control switch of the driving motor 805, the opening and closing of the driving motor 805 is controlled through the control switch, and the driving adjustment of the bidirectional screw rod 801 is realized.
[0028] As shown in the specific embodiment, Figure 5 As shown, the inner push holding part 9 comprises a threaded rod 902 threaded through the tail clamping frame 2 and an inner push plate 901 rotatably arranged at one end of the threaded rod 902, the bottom of the inner push plate 901 is slidingly installed on the first sliding groove 201, at least two inner push clamping rods 904 are arranged on the side of the inner push plate 901 facing the outer push plate 803, the rotation of the threaded rod 902 controls the movement of the inner push plate 901 in the tail clamping frame 2, the sliding block is limited by the first sliding groove 201 to improve the structural stability, and the action force exerted by the outer push clamping rod 804 on the outer push plate 803 is used to realize the fixation of the exhaust pipe 7 to be processed in the middle through the pushing cooperation of the at least two inner push clamping rods 904 on the inner push plate 901, one end of the threaded rod 902 located outside the tail clamping frame 2 is fixedly connected with a hand wheel 903, the rotation of the threaded rod 902 is controlled through the hand wheel 903, the operation is simple and convenient, and in actual application, an antiskid layer is arranged on the connecting surface of the threaded rod 902 and the tail clamping frame 2, so that the threaded rod 902 needs to provide a larger action force to rotate, avoiding loosening during clamping while the threaded rod 902 can still be rotated manually.
[0029] The basic principle, main features and advantages of the present application are shown and described above, and those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application, and the scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A fixing device for punching holes in an exhaust pipe with protective effect, characterized in that: The utility model provides an exhaust pipe tail end clamping device, which comprises an end clamping seat (1) and a lock buckle (10) arranged on the top of the end clamping seat (1) and used for pressing and fixing the end of an exhaust pipe (7) to be processed, a tail end clamping frame (2) is arranged on the end clamping seat (1) through a connecting support (3), the tail end clamping frame (2) is provided with clamping parts (4) whose clamping positions can be adjusted according to the model of the exhaust pipe (7) to be processed and are used for fixing the tail end of the exhaust pipe (7) to be processed, a side blocking net (5) is rotatably arranged on the connecting support (3), and the top of the tail end clamping frame (2) is rotatably provided with a front blocking net (6) which can be inclined on the top of the side blocking net (5).
2. The exhaust pipe piercing fixing device with a protection effect according to claim 1, characterized in that: The clamping part (4) is composed of two outer push and press holding parts (8) slidably arranged at the two ends of the tail end clamping frame (2) and an inner push and press holding part (9) which can synchronously push and apply pressure to the two sides, and the two tail end ports of the exhaust pipe (7) to be processed are clamped between the outer push and press holding parts (8) and the inner push and press holding part (9) on the two sides.
3. The exhaust pipe piercing fixing device with a protection effect according to claim 2, characterized in that: The tail end clamping frame (2) is provided with a first sliding groove (201) for slidingly clamping the inner push and press holding part (9) and a second sliding groove (202) for slidingly clamping the outer push and press holding part (8), the first sliding groove (201) is located in the inner wall of the bottom of the tail end clamping frame (2), and the second sliding groove (202) is located in the inner wall of the side of the tail end clamping frame (2).
4. The exhaust pipe piercing fixing device with a protection effect according to claim 3, characterized in that: The outer push and press holding part (8) comprises a bidirectional screw rod (801) rotatably arranged in the second sliding groove (202) and two sliding blocks (802) slidably arranged in the second sliding groove (202), the two sliding blocks (802) are connected with the two opposite threads of the bidirectional screw rod (801) respectively, an outer push plate (803) is fixed on the side wall of the sliding block (802), and at least two outer push clamping rods (804) are fixed on the side wall of the outer push plate (803).
5. The exhaust pipe piercing fixing device with a protection effect according to claim 4, characterized in that: The tail end clamping frame (2) is embeddedly arranged with a driving motor (805), and the output shaft of the driving motor (805) is fixedly connected with the end of the bidirectional screw rod (801).
6. The exhaust pipe piercing fixing device with a protection effect according to claim 5, characterized in that: The inner push and press holding part (9) comprises a threaded rod (902) threaded through the tail end clamping frame (2) and an inner push plate (901) rotatably arranged at one end of the threaded rod (902), the bottom of the inner push plate (901) is slidably arranged on the first sliding groove (201) through a sliding block, and at least two inner push clamping rods (904) are arranged on the side of the inner push plate (901) facing the outer push plate (803).
7. The exhaust pipe piercing fixture with a shielding effect according to claim 6, characterized in that: One end of the threaded rod (902) located outside the tail end clamping frame (2) is fixedly connected with a hand wheel (903).
8. The fixed device of the exhaust pipe punching with the protection effect according to claim 1, characterized in that: The connecting support (3) is provided with an inner blocking plate (11) for preventing the side blocking net (5) from being excessively inclined.
9. The fixed device of the exhaust pipe punching with the protection effect according to claim 1, characterized in that: The top side of the side blocking net (5) is provided with an inclined surface, and a magnetic sheet for adsorbing the front blocking net (6) is arranged on the inclined surface.